CCMS MONITORING INFRASTRUCTURE Interview Question and Answer

A visibility level (RZ20 -> "Extras" -> "Display options") helps in classifying each monitor tree. The monitor tree displays the objects which correspond to this level. The complete subtree is visible irrespective of the visibility level, if an alert appears for any object in the tree. This may result in the monitor tree to disappear post an alert is reset and the node is presented with a gray background.

2. What should you do if actions in the tree are executed for elements other than those expected?

When the monitor is saved, the selections for nodes are saved and retained in the tree (RZ20). Even if the selected nodes are invisible as the corresponding subtree has not been expanded; this will continue to happen. Thus, even if the selected nodes are invisible; these actions can be executed. The remedy to this is that one can click the "Deselect all" button and then reselect the required nodes again.

3. What should you do if the cursor position has no effect?

It is important to make a selection by setting the corresponding flag (checkbox) when analyzing the open alerts of an MTE. Here, the position of the cursor has no effect.

4. Where can you find Automatic refreshing option?

It is available in Release 4.5A along with the newest SAPgui version.

5. What condition is required for carrying out externalizing R/3 alerts?

Unless there is any further notice on an SNMP basis, the externalization of the R/3 alerts will not be carried out. This was not the case previously. Though, many partners (see SAPNet) offer agents which read the MIB and continue with the help of SNMP. For this purpose, SAP makes corresponding C libraries available. This helps in downloading from SAPSERV*.

To link external tools directly through the SNMP to the monitoring infrastructure is not a planned activity. However, in case of a possible MIB enhancement, the partners are notified.

6. How is Syslog threshold value maintenance carried out?

Syslog threshold value maintenance is carried out with Transaction RZ06 up to and including Release 4.0B not like other MTEs.

7. What authorization check is carried out within RZ20?

An authorization for object S_RZL_ADM is carried out within RZ20 to start transaction. However, no additional authorization checks are carried out within RZ20.

8. What are the reasons behind the time differences in a system?

Time differences are caused when the time zones are not active. One can use 91667 and 0100442.

9. How should you monitor the Oracle database?

The Oracle database should be monitored in Release 4.5A from within Transaction RZ20.

10. What is EnqueueTime?

It is the time taken for setting a lock.

11. How to shut down the CCMS monitor architecture for an application server?

Listed below are the steps that are used to monitor an application server which is hidden in the display Transaction RZ20:

This helps in hiding the monitoring of the RZ20. The monitoring runtime environment remains (report values, possibly triggers alerts, etc.). If the monitoring runtime environment is shut down, the profile parameter alert/MONI_SEGM_SIZE=0 should be set as explained in 135503.

12. What are the specific profile parameters in CCMS monitor architecture?

See 135503.

13. What do users get only nodes with icons without node names and how can this be rectified?

This is caused when the monitoring segment in the shared memory is filled which prevents additional nodes from getting created correctly.

This can be rectified by increasing the profile parameters alert/MONI_SEGM_SIZE on the affected application server and restart the application server. See 135503.

15. What should be done to rectify Swapping the values for 'Single Record' and 'Generic Key' in the display of RZ20?

By the application of Hot Packages SAPKH40B19 (4.0B) or SAPKH45B03 (4.5B), this error can be rectified.

16. Why could be the possible reason for Logical command as tool (RZ21) not getting started?

Select 'external command' in the tool definition under 'Call type' in RZ21 up to and including Release 4.5B. But, if a function that executes the logical command when starting the tool via RZ20 is missing in the source code of RZ20 then the execution of the tool has no effect. From Release 4.6A one can no longer select 'external command' in RZ21.

In some releases, there is a method CCMS_NT_EVENT in RZ21 which is proposed to execute the logical command Z_SEND_ALERT. This method definition can be deleted in RZ21.

17. In what way should you write a Data-Supplier?

Check the document stored on SAPNET:

"Writing a Data Supplier for the R/3 Release 4 Alert Monitor" below the alias System Management -> System Monitoring and Alert Management

18. What could be the possible reason for all segments in RZ21 on shutdown although the instances are visible in SM51 (precise symptom: function module RFC_GET_LOCAL_DESTINATIONS delivers an empty table as the result)?

It could be due to incorrect TCP/IP configuration. Implement 52959.

19. What could be the possible reason if current status of an MTE is red, but no alert exists?

Occasionally a node in the 'Current status' displays a red message but no alerts usually exist for it.

Scenario:

(1) A red message is displayed and triggers an alert.(2) Someone finishes the alert but no other message is displayed

As the alert is finished for 'Open alerts' everything is green. But, as the last red message is still the presently valid message, therefore, the 'Current status' is still red.

Like this an entry is made in the shared memory for MTE and the alert generation is 'disabled'. Use the 4.6D kernel, in order to make this work correctly.

As of Release 6.20, this function can be selected through the below given menu entry:

RZ20-> Edit->Node->Deactivate

21. What is the dispatching method for data acquisition programs?

SAPSYS within the AutoABAP SAPMSSY6 controls short-term data acquistion programs. Nothing is required to be defined here. The long-term data acquisition programs run in the background job SAP_CCMS_MONI_BATCH_DP. By pressing a button this job is activated; it is then automatically planned and activated. The long-term data acquisition programs run under the user (and relevant user authorization) are executed in the background who activates the background job as given below:

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